Results 31 to 40 of about 2,576 (170)

Multi-aspect exergo-economic/environmental study/optimization of an eco-friendly heat integration process for gas turbine modular helium reactors in integration with a Stirling engine

open access: yesCase Studies in Thermal Engineering, 2023
As a nuclear power source, gas turbine modular helium reactors (GT-MHR) can play a major role in the energy industry due to their high safety index and low operating costs. In light of the GT-MHR's high heat capacity, this study integrates a GT-MHR cycle
Man-Wen Tian   +8 more
doaj   +1 more source

A comprehensive review of 4E analysis of thermal power plants, intermittent renewable energy and integrated energy systems

open access: yesEnergy Reports, 2021
The concern for environmental devastation due to high dependency on fossil fuel sources is shifting focus towards efficient utilization of energy by integrating renewable energy and integrated energy system. Efficient energy deployment can be attained by
Muhammad Faizan Tahir   +2 more
doaj   +1 more source

Conventional and advanced exergoeconomic indicators of a nitric acid production plant concerning the cooling temperature in compression Train's intermediate stages

open access: yesCase Studies in Thermal Engineering, 2021
In the refining and petrochemical industrial sector, large amounts of energy are used, so using the concept of exergy allows a rational use of this resource.
Ana Buelvas Hernández   +6 more
doaj   +1 more source

Techno‐Economic Analysis and Multi‐Objective Optimization of a Novel Combined Cooling and Power System Driven by Geothermal Source and Waste Heat From Data Center

open access: yesEnergy Science &Engineering, EarlyView.
A novel combined cooling and power generation system is proposed by integrating organic Rankine cycle (ORC) with an absorption heat transformer, which is driven by combining geothermal energy and data center's waste heat. The system using R601a yielded the best overall performance, achieving an exergy efficiency of 40.34% and an annual cost of 130.29 k$
Zerui Chen   +4 more
wiley   +1 more source

Design and Optimization of a Novel Kalina‐Organic Rankine Cycle System Based on LNG Cold Energy Utilization

open access: yesAsia-Pacific Journal of Chemical Engineering, Volume 21, Issue 3, May/June 2026.
ABSTRACT This study proposes a novel integrated system (SDKC‐DORC) that combines a split‐flow dual‐pressure Kalina cycle with a secondary organic Rankine cycle for the synergistic utilization of solar energy and liquefied natural gas (LNG) cold energy.
Ke Xiao   +6 more
wiley   +1 more source

Techno‐Economic Analysis of Hydrocarbon‐CO2 Binary Mixtures in Heat Pump‐Based Thermal Energy Storages

open access: yesEnergy Technology, Volume 14, Issue 4, April 2026.
Heat‐pump charging of Carnot batteries with zeotropic large temperature glide CO2–alkane mixtures enables charging from ambient to ≈398.15 K with improved heat‐exchanger temperature matching at moderate pressure ratios. The highest COP occurs near xCO2 ≈ 0.15, whereas cost and throttling losses rise monotonically with CO2 content; butane isomers ...
Majid Zarif Sabbaghnia, Burak Atakan
wiley   +1 more source

Performance Prediction of a Solar‐Assisted Hybrid Desiccant Evaporative Cooling System for Saudi Arabia

open access: yesInternational Journal of Energy Research, Volume 2026, Issue 1, 2026.
This study addresses the performance limitations of standalone desiccant cooling systems in extreme climates by developing and optimizing a solar‐assisted hybrid desiccant evaporative cooling (SHDEC) system specifically for the hot and humid coastal climate of Saudi Arabia.
Ahmed Almogbel   +2 more
wiley   +1 more source

Exergoeconomic analysis in a food industry boiler

open access: yesInternational Journal for Innovation Education and Research, 2022
This study aims to apply the SPECO method in a firetube steam generating unit located in a food industry to measure the cost and to suggest actions that will increase its efficiency. In the current global scenario, researches for alternatives of the cost reduction and increased sustainability are more and more on the agenda in companies. Therefore, the
Caio Jahel Schwanz   +5 more
openaire   +1 more source

Integrated Exergy, Exergoeconomic, and Exergoenvironmental Evaluations of Ethanol Production Using a Sugarcane Bagasse Cogeneration System

open access: yesInternational Journal of Energy Research, Volume 2026, Issue 1, 2026.
Sugarcane‐derived ethanol is a key renewable fuel, contributing to energy security and climate change mitigation by replacing fossil‐based fuels in tropical regions. This article introduces an integrated exergy–economic–environmental–life cycle assessment (LCA) framework for a sugarcane cogeneration system, providing novel benchmarks and optimization ...
Eduardo J. C. Cavalcanti   +6 more
wiley   +1 more source

Advancing Sustainability and Efficiency in Coal‐Fired Boilers: A Critical Review of Prediction Models and Optimization Strategies for Emission Reduction

open access: yesInternational Journal of Energy Research, Volume 2026, Issue 1, 2026.
Coal‐fired boilers continue to serve as a primary energy source worldwide, yet their operational efficiency and environmental impact present persistent challenges. This critical review examines recent advancements in performance prediction models and optimization strategies aimed at enhancing the efficiency and sustainability of coal‐fired boilers.
Noor Akma Watie Mohd Noor   +4 more
wiley   +1 more source

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